170107-N-FV745-004 SAN DIEGO (Jan. 7, 2017) Navy Diver 1st Class Joshua Tomolak, assigned to Deep Submergence Unit Diving Systems Detachment, works on a decompression chamber at Naval Air Station North Island, Coronado, Calif. Outside of his Navy Reserve obligations, Tomolak is a Financial Representative for TD Ameritrade in San Diego. (U.S. Navy photo by Mass Communication Specialist 2nd Class Daniel James Lewis/Released)